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RUBBER
 The rubber product polybutadiene is highly reliable, and has long been used by all Japanese domestic tire manufacturers. In addition to automobile tires, UBEPOL-BR is also used for damping materials and golf balls, and for moolifying polystyrene resins.
Highly-functional UBEPOL-VCR has come to be highly regarded for use in radial tires. UBE has recently been emphasizing development of rubber/resin composites. One example of this is a rubber composite with microfibers or dispersed particulates of nylon , which is currently being used with positive results in automobile parts, including tires, timing belts and hoses. Demand is also developing for carbon masterbatch, into which carbon black and other substances are kneaded, for use in industrial and automobile parts, construction materials, and electrical /electronic components.
UBEPOL-BR Grade Cahrt
| Rubber | VCR | #303 | #450 | #412 | #512 | #617 | | 2Peeks BR | #230 | | | 1Peek BR | #130B | #150 | #150B | #150L | #360L | | OIL BR | #153A | | | HIPS | 2Peeks BR | #23H | | | 1Peek BR | #13HB | #15H | #15HB | #35HS | #15HL |
| UBEPOL-BR15HB | UBEPOL-BR150 | UBEPOL-BR150L | UBEPOL-BR150B | UBEPOL-VCR412 | | Properties | Properties | Properties | Properties | Properties | | BR15HB is a specially designed to have a higher branched molecular chain for plastics modifier (HIPS) | BR150 is a standard grade of UBEPOL-BR. And this grade is well-balanced between processability and physical properties.
| BR150L is a specially designed to have a higher linearity of molecular chain than that of UBEPOL-BR150. This is emphasized to improve the properties of vulcanizates. | BR150B is a specially designed to have a higher branched molecular chain than that of UBEPOL-BR150.
This is emphasized to improve the processability of vulcanizates. | VCR412 is a originally devloped to improve the properties of conventional BR. This consists of micro-dispersed SPB resin and high-cis rubber matrix. | Characteristics
1) Good impact resistance
2) Free from gel
3) Short dissolving time
4) Low solution viscosity
5) Superior low temperature properties
6) Superior in heat resistance
7) Superior in recycling | Characteristics
1) Good abrasion resistance
2) Low heat built-up
3) High resilience
4) Good low temperture properties
5) Low hysteresis
| Characteristics
1) Good extrudability
2) Excellent abrasion resistance
3) High resilience
4) Low heat built-up
5) Good low-temperature properties
6) Low hysteresis | Characteristics
1) Easy compounding
2) Lower compound ML
3) Good roll mill-processability
4) Good abrasion resistance
5) Low heat built-up
6) Good resilience
7) Good low temperature properties | Characteristics
1) Excellent extrudability
2) Small shrinkage
3) High green strength
4) High hardness High modulus
5) Excellent cut-growth resistance
6) Lighter weight of compound | Applications
Machine apparatus
TV, Video, Air-conditioner, Refrigrator, Cassette etc Building materials
General industry materials Furniture, etc. Packing vessel
HI-sheet, OPS, Vessel for beverage, Tray of food Daily necessities
Household articles, Toys, Stationary, Office supplies
Miscellaneous goods | | Application
Tire; Passenger Car
Truck Bus
Light Truck
Motor Cycle
Bycycle | Application
Belts, Hoses,
Vibration-insulator,
Other industrial-
products, Footwear,
Golf ball, etc. | |
UBEPOL-BR15HB
Properties of Raw polymer
Properties of Raw polymer
| Mooney °Ciscosity | | | ML1+4, 100°C | 40 | | Solution Viscosity | | | 5% in styrene | 60 | | Volatile Matter (%) | 0.5 | | Ash (%) | 0.05 | | APHA Color | 10 | | Styrene insolubles (%) | 0.005 |
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UBEPOL-BR150
Properties
1) Raw polymer
| Mooney Viscosity | | | ML1+4, 100°C | 43 | | Solution Viscosity | | | 5% in toluene | 75 | | Volatile Matter (%) | 0.5 | | Ash (%) | 0.05 | | Specific Gravity | 0.91 |
2) Compound Based on ASTM recipe
| Compound ML | 60 | | Cure rate | | | tc (50) | 23 | | tc (90) | 30 | | Tensile strength | | | 50` cure (Mpa) | 18.0 | | Elongation | | | 50` cure (%) | 480 | | Modulus at 300% | | | 50` cure (Mpa) | 10.0 |
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UBEPOL-BR150L
Properties
1) Raw polymer
1) Raw polymer
| Mooney Viscosity | | | ML1+4, 100°C | 43 | | Solution Viscosity | | | 5% in toluene | 105 | | Volatile Matter (%) | 0.5 | | Ash (%) | 0.05 | | Specific Gravity | 0.91 |
2) Compound Based on ASTM recipe
| Compound ML | 69 | | Cure rate | | | tc (50) | 23 | | tc (90) | 29 | | Tensile strength | | | 50` cure (Mpa) | 18.5 | | Elongation | | | 50` cure (%) | 540 | | Modulus at 300% | | | 50` cure (Mpa) | 10.2 |
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UBEPOL-BR150B
Properties
1) Raw polymer
°C | Mooney Viscosity | | | ML1+4, 100°C | 40 | | Solution Viscosity | | | 5% in toluene | 50 | | Volatile Matter (%) | 0.5 | | Ash (%) | 0.05 | | Specific Gravity | 0.91 | | Compound ML | 53 |
2) Compound Based on ASTM recipe
| Compound ML | 53 | | Cure rate | | | tc (50) | 23 | | tc (90) | 30 | | Tensile strength | | | 50` cure (Mpa) | 16.0 | | Elongation | | | 50` cure (%) | 470 | | Modulus at 300% | | | 50` cure (Mpa) | 9.4 |
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UBEPOL-VCR412
Properties
1) Raw polymer Mooney Viscosity
| ML1+4, 100°C | 45 | | n-Hexane insolubles (Index of SPB %) | 12 | | Volatile Matter (%) | 0.5 | | Ash (%) | 0.15 | | Specific Gravity | 0.92 |
2) Compound Based on ASTM recipe
| Compound ML | 68 | | Cure rate | | | tc (50) | 22 | | tc (90) | 28 | | Tensile strength | | | 50` cure (Mpa) | 17.7 | | Elongation | | | 50` cure (%) | 340 | | Modulus at 300% | | | 50` cure (%) | 16.1 |
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Compound Pro
| | Non-oil Extended BR | Oil-
extended
BR | New Type BR | | | Unit | UBEPOL-
BR150 | UBEPOL-
BR150L | UBEPOL-
BR150B | UBEPOL-
BR360L | UBEPOL-
BR340L | UBEPOL-
BR130B | UBEPOL-
BR230 | UBEPOL-
BR100 | UBEPOL-
BR153A | UBEPOL-
VCR412 | UBEPOL-
VCR617 | UBEPOL-
VCR406 | UBEPOL-
VCR303 | Test
Method | | Compound Mooney Viscosity | Ml1+4, 100°C | 60 | 69 | 58 | 80 | 54 | 41 | 48 | 59 | 71 | 68 | 90 | 68 | 63 | ASTM D1646 | | Cure Characteristics(5) | Minimum
Torque | ML | lb-in | 8.1 | 8.8 | 7.9 | 9.9 | 7.2 | 5.6 | | 8.0 | 9.7 | 9.0 | 13.0 | 8.9 | 8.3 | ASTM D2084 | Maximum
Torque | MH | lb-in | 38.0 | 40.2 | 34.7 | 42.2 | 38.0 | 28.8 | | 36.9 | 42.0 | 45.7 | 51.0 | 42.7 | 41.7 | | | ts1 | min | 11.3 | 8.8 | 12.3 | 8.2 | 9.6 | 14.5 | | 10.5 | 13.5 | 10.0 | 8.0 | 9.1 | 9.8 | | tc(50) | min | 23.3 | 22.5 | 22.8 | 22.4 | 22.7 | 23.8 | | 23.4 | 20.6 | 21.8 | 21.0 | 22.0 | 22.9 | | tc(90) | min | 30.1 | 29.3 | 29.8 | 28.8 | 29.6 | 31.2 | | 30.5 | 25.1 | 27.5 | 27.0 | 28.2 | 29.8 | | Mill Shrinkage | --- | 25 | 24 | 29 | 27 | 22 | 20 | | 29 | 24 | 14 | 12 | 18 | 19 | ASTM D1917 | | Extrudability(6) | Extrusion Rate | wt.% | 0.271 | ---(7) | 0.267 | ---(7) | 0.285 | 0.296 | 56 | 0.276 | 0.344 | 0.280 | 0.313 | 0.298 | 0.296 | ASTM D2230 | | Length of Extrudate | wt.% | 46.5 | ---(7) | 45.3 | ---(7) | 56.3 | 67.7 | 210 | 44.5 | 59.1 | 74.4 | 85.4 | 70.5 | 59.8 | | Die Swell | wt.% | 1.86 | ---(7) | 1.88 | ---(7) | 1.61 | 1.39 | 1.55 | 1.99 | 1.79 | 1.20 | 1.16 | 1.35 | 1.57 | | Rating | Contour | wt.% | 3.0 | 1 | 3.0 | 1.0 | 3.5 | 4.0 | | 3.0 | 3.0 | 4.0 | 4.0 | 4.0 | 4.0 | | Edge | --- | 3.5 | 1.5 | 2.0 | 1.0 | 3.5 | 3.5 | | 3.0 | 2.5 | 4.0 | 4.0 | 4.0 | 3.5 | | Surface | --- | 4.0 | 3.0 | 4.0 | 1.0 | 4.0 | 4.0 | | 4.0 | 3.5 | 4.0 | 4.0 | 4.0 | 4.0 | | Corner | --- | 3.5 | 2.0 | 4.0 | 1.0 | 4.0 | 4.0 | | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | | Total | --- | 14.0 | 7.5 | 13.0 | 4.0 | 15.0 | 15.5 | | 14.0 | 13.0 | 16.0 | 16.0 | 16.0 | 15.5 |
Note
- Index of polybutadiene molecular chain linearity
- Index of content of syndiotactic 1.2-polybutadiene having 201°C melting point and high crystallinity
- Microstructure of matrix polymer
- Compound recipe and procedure according to ASTM D3484
- Monsant Rhometer at 145°C. 100cpm, 1°Crc
- Garvey-die at 100°C, screw diameter; 40mm°C, screw L/D;8, screw rotational speed; 20rpm
- The extrudates of UBEPOL-BR150L and UBEPOL-BR360L show rough figures just like shark-skin in this compound recipe. So it doesn't make sense to indicate their data.
- Index against UBEPOL-BR150, higher value means better abrasion resistance
Raw Polymer
| | Non-oil Extended BR | Oil-
extended
BR | New Type BR | | | Unit | UBEPOL-
BR150 | UBEPOL-
BR150L | UBEPOL-
BR150B | UBEPOL-
BR360L | UBEPOL-
BR340L | UBEPOL-
BR130B | UBEPOL-
BR230 | UBEPOL-
BR100 | UBEPOL-
BR153A | UBEPOL-
VCR412 | UBEPOL-
VCR617 | UBEPOL-
VCR406 | UBEPOL-
VCR303 | Test
Method | | Mooney Viscosity | Ml1+4, 100°C | 43 | 43 | 43 | 50 | 34 | 30 | 38 | 43 | 38 | 45 | 62 | 45 | 38 | ASTM
D1646 | Solution Viscosity
in 5 wt.%
Toluene at 25°C(1) | cps | 75 | 105 | 53 | 124 | 65 | 31 | 117 | --- | --- | --- | --- | --- | --- | UBE
Method | Instrinsic Viscosity
in Toluene at 30°C [ ] | --- | 2.1 | 2.3 | 2.0 | 2.5 | 2.0 | 1.7 | 2.3 | 2.5 | --- | --- | --- | --- | --- | UBE Method | | Microstructure | Cis | wt.% | 98 | 98 | 97 | 98 | 98 | 96 | 97.8 | 98 | 98(3) | --- | --- | --- | --- | UBE
Method | | Trans | wt.% | 1 | 1 | 2 | 1 | 1 | 2 | 1.1 | 1 | 1(3) | --- | --- | --- | --- | | Vinyl | wt.% | 1 | 1 | 1 | 1 | 1 | 2 | 1.1 | 1 | 1(3) | --- | --- | ---2.9 | --- | n-Hexane
Insolubles | HI(2) | wt.% | --- | --- | --- | --- | --- | --- | --- | --- | --- | 12 | 17 | 6 | 3 | UBE
Method | Molecular
Weight &
Molecular
Weight
Distribution |  w(104) | --- | 56 | 57 | 55 | 61 | 51 | 49 | 63 | 70 | --- | --- | --- | --- | --- | UBE
Method | | n(104) | --- | 20 | 24 | 17 | 25 | 21 | 13 | 16 | 15 | --- | --- | --- | --- | --- | | w/n | --- | 2.8 | 2.4 | 3.2 | 2.4 | 2.4 | 3.7 | 4.0 | 4.7 | --- | --- | --- | --- | --- | | Volatile Matter | wt.% | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | ASTM
D1416 | | Ash Content | wt.% | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | | 0.05 | 0.05 | 0.15 | 0.15 | 0.15 | 0.15 | ASTM
D1416 | | Apecific Gravity | --- | 0.91 | 0.91 | 0.91 | 0.91 | 0.91 | 0.91 | | 0.91 | 0.93 | 0.91 | 0.91 | 0.91 | 0.91 | ASTM
D1505 | | Oil Content | phr | --- | --- | --- | --- | --- | --- | --- | --- | 37.5 | --- | --- | --- | --- | ASTM
D1416 | | Stabilizer Type | --- | Non-
staining | --> | --> | --> | --> | --> | | --> | Staining | Non-
staining | --> | --> | --> | --- |
Note
- Index of polybutadiene molecular chain linearity
- Index of content of syndiotactic 1.2-polybutadiene having 201°C melting point and high crystallinity
- Microstructure of matrix polymer
- Compound recipe and procedure according to ASTM D3484
- Monsant Rhometer at 145°C. 100cpm, 1°Crc
- Garvey-die at 100°C, screw diameter; 40mm°C, screw L/D;8, screw rotational speed; 20rpm
- The extrudates of UBEPOL-BR150L and UBEPOL-BR360L show rough figures just like shark-skin in this compound recipe. So it doesn't make sense to indicate their data.
- Index against UBEPOL-BR150, higher value means better abrasion resistance
Vulcanizate
| | Non-oil Extended BR | Oil-
extended
BR | New Type BR | | | Cure
Minutes
at
145°C | Unit | UBEPOL-
BR150 | UBEPOL-
BR150L | UBEPOL-
BR150B | UBEPOL-
BR360L | UBEPOL-
BR340L | UBEPOL-
BR130B | UBEPOL-
BR230 | UBEPOL-
BR100 | UBEPOL-
BR153A | UBEPOL-
VCR412 | UBEPOL-
VCR617 | UBEPOL-
VCR406 | UBEPOL-
VCR303 | Test
Method | Tensila
Strength | 35' | MPa | 18.1 | 18.9 | 16.3 | 19.4 | 17.3 | 14.8 | | 18.1 | 17.5 | 18.0 | 18.1 | 18.6 | 18.2 | ASTM D412 | | 50' | MPa | 18.0 | 18.5 | 16.2 | 19.1 | 17.9 | 14.6 | | 17.9 | 18.3 | 17.7 | 17.9 | 18.4 | 18.0 | | Elongation | 35' | % | 510 | 540 | 470 | 520 | 550 | 470 | | 530 | 420 | 350 | 290 | 460 | 500 | ASTM D412 | | 50' | % | 480 | 500 | 450 | 500 | 510 | 470 | | 490 | 440 | 340 | 290 | 460 | 470 | | 100% Modulus | 35' | MPa | 2.0 | 2.1 | 2.0 | 2.2 | 2.1 | 1.8 | | 2.0 | 2.9 | 4.4 | 6.2 | 2.9 | 2.4 | ASTM D412 | | 50' | MPa | 2.2 | 2.3 | 2.1 | 2.3 | 2.2 | 1.9 | | 2.2 | 2.8 | 4.5 | 6.4 | 2.9 | 2.5 | | 200% Modulus | 35' | MPa | 5.2 | 5.4 | 5.1 | 5.5 | 5.2 | 4.3 | | 5.2 | 7.4 | 10.0 | 12.9 | 7.1 | 5.8 | ASTM D412 | | 50' | MPa | 5.4 | 5.6 | 5.3 | 5.6 | 5.3 | 4.5 | | 5.3 | 7.3 | 10.3 | 13.3 | 7.4 | 6.2 | | 300% Modulus | 35' | MPa | 9.3 | 9.8 | 9.0 | 10.2 | 9.4 | 7.6 | | 9.2 | 12.5 | 15.4 | - | 12.1 | 10.3 | ASTM D412 | | 50' | MPa | 10.0 | 10.2 | 9.7 | 10.6 | 9.7 | 8.0 | | 10.1 | 12.4 | 16.1 | - | 12.7 | 11.1 | Hardness
Type A Durometer | 35' | - | 61 | 62 | 59 | 63 | 60 | 56 | | 61 | 68 | 72 | 77 | 67 | 64 | ASTM D412 | | 50' | - | 62 | 63 | 60 | 64 | 62 | 57 | | 62 | 68 | 73 | 78 | 67 | 65 | Tear
resistance
Die C | 35' | kN/m | 42 | 45 | 39 | 48 | 40 | 32 | | 41 | 47 | 54 | 59 | 52 | 42 | ASTM D2240 | | 50' | kN/m | 47 | 51 | 44 | 53 | 45 | 39 | | 47 | 52 | 58 | 62 | 54 | 48 | ASTM D624 | | Rebound | 50' | % | 58 | 60 | 54 | 61 | 56 | 51 | 56 | 57 | 53 | 49 | 46 | 53 | 55 | BS.903,
PART22 | Compression
Set
Method B
70°C
72hrs | 50' | % | 16 | 14 | 17 | 13 | 16 | 20 | | 16 | 13 | 17 | 18 | 16 | 16 | ASTM D395 | Goodrich
Flex
0.175"
Stroke
55lb
100°C |  T | 50' | C | 32 | 29 | 36 | 24 | 34 | 40 | | 33 | 26 | 40 | 44 | 35 | 34 | ASTM D623 | | P.S. | 50' | % | 8 | 6 | 13 | 5 | 10 | 18 | | 9 | 6 | 17 | 19 | 12 | 11 | Pico
Abrasion
Index | 50' | - | 209 | 228 | 183 | 241 | 191 | 154 | | 202 | 207 | 290 | 330 | 268 | 250 | ASTM D2228 | Lombourn
Abrasion
Index(8)
Iwamoto
Seisakusyo
Japan | 50' | - | 100 | 108 | 86 | 111 | 102 | 71 | | 98 | 98 | 72 | 62 | 100 | 103 | UBE Method | Cut
Growth
(2mm-->15mm)
De Mattia
Flexing
machine | 50' | times | 2,700 | 2,400 | 3,100 | 1,900 | 3,000 | 3,300 | | 2,400 | 700 | 29,000 | >105 | 10,000 | 5,000 | ASTM D313 | Cut
Generation
De Mattia
Flexing
Machine | 50' | 104 times | >30 | >30 | >30 | >30 | >30 | >30 | | >30 | >30 | >30 | >30 | >30 | >30 | ASTM D430 | Wet Skid
Resistance
on
safty-Walk
British
Portable
Skid
Resistance
Tester | 50' | - | 18 | 18 | 19 | 17 | 18 | 19 | | 18 | 21 | 22 | 23 | 20 | 20 | UBE Method |
Note
- Index of polybutadiene molecular chain linearity
- Index of content of syndiotactic 1.2-polybutadiene having 201°C melting point and high crystallinity
- Microstructure of matrix polymer
- Compound recipe and procedure according to ASTM D3484
- Monsant Rhometer at 145°C. 100cpm, 1°Crc
- Garvey-die at 100°C, screw diameter; 40mm°C, screw L/D;8, screw rotational speed; 20rpm
- The extrudates of UBEPOL-BR150L and UBEPOL-BR360L show rough figures just like shark-skin in this compound recipe. So it doesn't make sense to indicate their data.
- Index against UBEPOL-BR150, higher value means better abrasion resistance
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